A Brazilian journalist injured while reporting on violent clashes with protesters was declared brain dead on Monday, as yet another demonstration paralyzed downtown Rio just four months ahead of the World Cup.

Images released by Brazilian newspaper shows cameraman Santiago Andrade being hit in the head with some kind of explosive device during protest clashes in Rio. Photo: AFP

Rio de Janeiro's public health office said Monday that Television news cameraman Santiago Ilidio Andrade, 49, was left in a coma after being struck on the head by a flare during protests against bus fare increases last Thursday.